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- Quicksilver Board Shorts Boys 4T Swimsuit Trunks Surf Beach Retro Stripe Y2K VTGOpens in a new window or tabPre-Owned$7.31or Best Offer+$6.15 deliveryFree returns
- New! Boy's NIKE Green Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95or Best Offer+$5.95 delivery
- New! Boy's Under Armour Logo Rash Guard Swim Shirt and Trunks Size Medium 10/12Opens in a new window or tabBrand New$39.95or Best Offer+$7.95 delivery
- New! Boy's Under Armour Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95or Best Offer+$5.95 delivery
- Hurley Kids' Boys' Youth Striped Logo Boardshorts - Navy/Lime, 14Opens in a new window or tabBrand New$13.00or Best Offer+$4.84 delivery
- Nike Swim Big Boys Tie Dye Swoosh Volley Drawstring Short M Green Mesh BriefOpens in a new window or tabBrand New$14.99Buy It Now+$7.35 delivery2 watchers
- Quicksilver Youth Black Regular-Fit Ocean Elastic 18”Amphibian Shorts SZ XL (16)Opens in a new window or tabBrand New$15.99or Best Offer+$6.99 deliveryBenefits charity
- Polo Ralph Lauren Youth Medium 10-12 Big Pony Swim Trunks Mesh Lined DrawstringOpens in a new window or tabPre-Owned$14.99Buy It Now+$8.71 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- Ecostinger Boys Full Body Sun Protective Swimsuit Navy Lime Turtle Logo Size 4Opens in a new window or tab$28.00macros_5 (3,665) 100%
- CALVIN KLEIN Big Boys Quick Dry Swim Trunks Black Size M (10/12)Opens in a new window or tab$22.50authenticbargainsllc (7,739) 99.6%
- Levi's Boys Swim Trunks Shorts Medium 10-12 Years Blue Red Mesh Brief Logo NewOpens in a new window or tab$13.95ju.ju.luxury_fashion (30,591) 100%15% off 3+ with coupon
- UNDER ARMOUR UPF 50+ 2PC Rash guard & Trunks OR UPF 50 Swim Trunks;Sz 4-7,YS-YMOpens in a new window or tabBrand New$22.99 to $32.99Buy It NowFree delivery10% off $40+ with coupon
- Spyder Youth 2-Piece Rash Guard and Board Shorts Swim Set BlueOpens in a new window or tabBrand New$21.99Buy It NowFree delivery
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- New! Boy's Under Armour Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95or Best Offer+$5.95 delivery
- Columbia PFG Boys Medium 10/12 Swim Shorts Trunks Performance Summer BeachOpens in a new window or tabNew (Other)$15.00or Best Offer+$6.40 delivery
- Columbia PFG Boys Medium 10/12 Swim Shorts Trunks Performance Summer BeachOpens in a new window or tabNew (Other)$15.00or Best Offer+$6.40 delivery
- Polo Ralph Lauren Swim Trunks Boys Size 4 Plaid Liner Board Shorts LinedOpens in a new window or tabPre-Owned$14.95or Best Offer+$6.95 deliveryFree returnsTop Rated Plus
- New! Boy's Under Armour Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95or Best Offer+$5.95 delivery
- BUC-EE'S Boys Swim Trunks YOUTH MEDIUM Buc-ee The Beaver Print New W TagsOpens in a new window or tabBrand New$19.99or Best OfferFree deliveryFree returnsSave up to 20% when you buy moreTop Rated Plus
- NO FEAR USA Flag Board Shorts Boys Size Medium Red White Blue Lined Swim TrunksOpens in a new window or tabPre-Owned$5.00Buy It Now+$4.68 delivery
- Tommy Hilfiger Boys 7" Stencil Print Swim Trunks M (12/14) Blue Drawstring NWTOpens in a new window or tabBrand New$16.99or Best Offer+$4.84 delivery
- Boys Nike Brand Swim Shorts / Trunks Size Youth Large [ 12 to 13 Years ]Opens in a new window or tabPre-Owned$7.85or Best Offer+$4.84 delivery
From our popular brands
Based on number of views and purchases | Sponsored- QuiksilverQuicksilver Board Shorts Boys 4T Swimsuit Trunks Surf Beach Retro Stripe Y2K VTGOpens in a new window or tabPre-Owned$7.31+$6.15 delivery
- NikeNew! Boy's NIKE Green Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95+$5.95 delivery
- NikeRare Nike Big Boys 8" Swim Trunks Water Shorts Camo Black Grey Camouflage Size MOpens in a new window or tabBrand New$29.99Free delivery
- Hurley(Z) Hurley Kids' Boys' Youth Striped Logo Boardshorts Navy Blue Lime 18Opens in a new window or tabPre-Owned$14.79+$5.49 delivery
- TrunksPrinted Palms Trunks For Boy's Size M Reg Green With Drawstring ~ NewOpens in a new window or tabBrand New$9.00+$5.00 delivery
- Hurley
- SpeedoSpeedo Boy's Swimsuit Jammer Begin to Swim Solid Black, Size 4Opens in a new window or tabBrand New$7.80+$9.91 delivery
- HURLEY Boy's Color Block Swim Trunks Board Shorts Pink Blue SIZE 4TOpens in a new window or tabBrand New$17.99Buy It NowFree delivery
- New! Boy's Zero Xposur Swim Trunks and Goggles Size Medium 10/12Opens in a new window or tabBrand New$24.95or Best Offer+$6.95 delivery
- New! Boy's Zero Xposur Swim Trunks and Goggles Size Medium 10/12Opens in a new window or tabBrand New$24.95or Best Offer+$6.95 delivery
- Tommy Hilfiger Boys 7" Stencil Print Swim Trunks M (12/14) Blue Drawstring NWTOpens in a new window or tabBrand New$20.00Buy It Now+$6.10 delivery in 2-4 days
- NIKE Green/Midnight Navy SHARK STRIPE BREAKER 8" VOLLEY SWIM SHORTS BOYS L LARGEOpens in a new window or tabNew (Other)$18.99or Best Offer+$4.71 delivery
- Buc-ees lined Swim Trunks Boys Size 4T, Red w/Logo, 3 Pockets. Swimsuit, shortsOpens in a new window or tabPre-Owned$10.99or Best Offer+$5.09 delivery
- Speedo Boy's Begin to Swim Swimsuit Jammer, Size & Color OptionsOpens in a new window or tabBrand New$29.50Buy It NowFree deliveryFree returnsTop Rated Plus
- Hurley Boys Long Sleeve Dri-Fit UPF 50+ Swim Shirt Size 4 BlackOpens in a new window or tabBrand New$7.95Buy It Now+$5.75 delivery
- Nike Swim Trunks Youth Medium Multicolor 100% Polyester EUCOpens in a new window or tabPre-Owned$16.99or Best Offer+$6.50 delivery
- Rokka&Rolla Boy‘s Compression Liner Swim Trunks Quick Dry Bathing SuitOpens in a new window or tabBrand New$29.99Was: $42.8430% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Rokka&Rolla Boys Swim Trunk Mesh Lined Bathing Suit UPF50+Quick Dry Beach ShortsOpens in a new window or tabBrand New$25.50Was: $36.4330% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Ecostinger Boys Full Body Sun Protective Swimsuit Navy Lime Turtle Logo Size 4Opens in a new window or tabBrand New$28.00Buy It NowFree deliveryFree returnsTop Rated Plus
- TOMMY HILFIGER Big Boys Stencil Print Swim Trunks Multicolor Size M 12/14Opens in a new window or tabBrand New$18.00Buy It Now+$6.40 delivery
- Spyder Boys 2 Piece Medium 10/12 Swim Shirt and Trunks Set - Green and GrayOpens in a new window or tabBrand New$25.00Buy It NowFree deliveryFree returns
- Nautica Swim Trunks Little Boys Size 4 Leaves Design UPF 50+ ProtectionOpens in a new window or tabBrand New$13.99or Best Offer+$6.55 deliveryFree returnsTop Rated Plus
- Nautica Boys Swim Trunk Shorts Drawstring Waist Mesh Lined Tricolor M (10-12)Opens in a new window or tabPre-Owned$11.95Buy It Now+$6.95 delivery
- Levi's Boys Swim Trunks Shorts Medium 10-12 Years Blue Red Mesh Brief Logo NewOpens in a new window or tabBrand New$13.95Buy It NowFree deliveryFree returns15% off 3+ with couponTop Rated Plus
- Rare Nike Big Boys 8" Swim Trunks Water Shorts Camo Black Grey Camouflage Size MOpens in a new window or tabBrand New$29.99Buy It NowFree deliveryFree returnsTop Rated Plus
- NwT Oneill Boy's Performance 50+ SPF Color. WHITE Shirt Size 12 Logo Slim fitOpens in a new window or tabBrand New$18.99Buy It Now+$6.35 deliveryExtra 20% off with coupon
- NWT Ralph Lauren Boys Sz 4 Green Swim Shorts Trunks Sanibel Big Pony Pockets N45Opens in a new window or tabBrand New$46.00or Best Offer+$4.71 delivery
- NWT SPEEDO BOY SIZE 12 BLACK Jammer Swim Suit Trunks UPF 50+Opens in a new window or tabBrand New$21.59Was: $23.9910% offBuy It Now+$4.25 delivery
- Speedo Boy's Swimsuit Jammer Begin to Swim Solid Black, Size 4Opens in a new window or tabBrand New$7.80Buy It Now+$9.91 deliveryFree returns
- Nike Swim Trunks Swoosh Board Shorts Drawstring MediumOpens in a new window or tabPre-Owned$15.00or Best Offer+$5.80 delivery
- (Z) Hurley Kids' Boys' Youth Striped Logo Boardshorts Navy Blue Lime 18Opens in a new window or tabPre-Owned$14.79or Best Offer+$5.49 delivery
- New $192 Speedo Boys Black Stretch Mid-Rise One-Piece Active Swim Jammer Size 4Opens in a new window or tabBrand New$6.98Was: $19.9565% offor Best Offer+$6.79 deliveryExtra 5% off with coupon
- Hurley Board Shorts Boys Size 18 Drawstring Swim Trunks Brown - NWTOpens in a new window or tabBrand New$16.99or Best Offer+$8.71 delivery
- Oneill Boy's Performance 50+ SPF Rashguard Swim Shirt Size M LogoOpens in a new window or tabPre-Owned$7.94Was: $14.9947% offBuy It Now+$6.10 delivery in 2-4 days
- Printed Palms Trunks For Boy's Size M Reg Green With Drawstring ~ NewOpens in a new window or tabBrand New$9.00or Best Offer+$5.00 delivery
- Under Armour Board Shorts YMD BLUE ORANGE Ombre Boys Lace Up Swim TrunksOpens in a new window or tabPre-Owned$9.95or Best Offer+$4.84 delivery
- NEW Hurley navy blue boys boardshorts swimsuit trunks sz Medium elastic waistOpens in a new window or tabBrand New$18.88Buy It Now+$5.00 delivery
- Boys Hurley Board Shorts Size 4T BlueOpens in a new window or tabPre-Owned$9.75or Best Offer+$4.52 delivery
- Hurley Kids Rashgurd Top Unisex Black Long Sleeve Swim Shirt Youth UPF Swim SZ 4Opens in a new window or tabBrand New$9.99Buy It Now+$3.99 delivery in 2-4 days
- O’Neill Boy's Surfing Beach Swim White Shirt Size M Logo Performance OneillOpens in a new window or tabPre-Owned$12.00or Best OfferFree delivery
- Under Armour Multicolor Lined Swimming Swim Trunks Board Shorts Youth MediumOpens in a new window or tabPre-Owned$8.99Buy It Now+$5.80 delivery
- HURLEY Boys Surf Trunks Swim Board Shorts Sz 18/29 Gray Black Stripes NWTOpens in a new window or tabBrand New$16.25Was: $25.0035% offor Best Offer+$5.00 delivery
- CALVIN KLEIN Big Boys Quick Dry Swim Trunks Black Size M (10/12)Opens in a new window or tabBrand New$22.50Buy It NowFree deliveryFree returnsTop Rated Plus
- Youth Medium Bright Green Swim Tshirt Brand-CherokeeOpens in a new window or tabPre-Owned$1.49Buy It Now+$6.00 delivery
- NWT Hurley Kids' Boys' Youth Striped Logo Boardshorts Aztec BlueSize 14 ~ 27WOpens in a new window or tabBrand New$19.99or Best Offer+$3.95 delivery
- Oneill Boy's Performance 50+ SPF Rashguard Swim Shirt Size M Logo Blue And GrayOpens in a new window or tabPre-Owned$12.50or Best OfferFree delivery
- Hurley Kids' Boys' Youth Striped Logo Boardshorts - Navy/Lime 14Opens in a new window or tabBrand New$16.99or Best Offer+$6.40 delivery
- Hurley Sz M Boys Navy Swim Trunks w/Teal Accents Logo on Leg DrawstringOpens in a new window or tabBrand New$14.00or Best Offer+$4.84 delivery
- Speedo Boy's Training Swim Jammer - 2025Opens in a new window or tabBrand New$29.50Buy It Now+$14.25 delivery
- Tommy Hilfiger Boardshorts Swim trucks Bos med(12/14) Gray Drawstring/ PocketsOpens in a new window or tabPre-Owned$10.00or Best Offer+$7.35 delivery
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